Which product innovation revolutionized theater lighting design in the 1970s by introducing computerized control systems that allowed for complex, programmable lighting cues?

Throughout theater history, technological innovations have transformed the performing arts industry. One particular product revolutionized how stage lighting could be controlled, creating unprecedented creative possibilities for lighting designers and directors. Test your knowledge of this significant advancement that changed how theatrical productions are designed and executed. Can you identify which technology marked this turning point in performing arts production?

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ETC Source Four Spotlight
The Strand Memory Lighting Console
Rosco Color Filter System
Martin Intelligent Moving Lights